Title :
Scratch tracking for 2in video tape applications
Author :
Catala, J. ; Harvey, N.R. ; Marshall, S.
Author_Institution :
Dept. of Electron. & Electr. Eng., Strathclyde Univ., Glasgow, UK
fDate :
10/29/1998 12:00:00 AM
Abstract :
Physical scratches on 2in video tapes cause severe degradation in viewable picture quality. A new algorithm for locating these defects is presented, based on the way in which the data are mapped onto the tape and how the scratches affect corresponding image pixels. Also, the mapping onto tape results in optimal image feature preservation, i.e. only the features affected by the scratch are processed
Keywords :
feature extraction; image restoration; image sequences; magnetic tapes; video recording; 2 inch; image feature preservation; image pixels; physical scratches; scratch tracking; video tape applications; viewable picture quality;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19981525